199914921

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 292414824

約数和(自身を除く): 92499903

約数列:

[1, 3, 9, 137, 281, 411, 577, 843, 1233, 1731, 2529, 5193, 38497, 79049, 115491, 162137, 237147, 346473, 486411, 711441, 1459233, 22212769, 66638307, 199914921]

約数ペア:

[(1, 199914921), (3, 66638307), (9, 22212769), (137, 1459233), (281, 711441), (411, 486411), (577, 346473), (843, 237147), (1233, 162137), (1731, 115491), (2529, 79049), (5193, 38497)]